Answer:
Wala akong pake kasi ndi naman ako marunong sa math
40
100
or the decimal 0.40. Notice that 80 out of 200 and 10 out of 25 are also 40%, since
80
200
=
10
25
=
40
100
Since you get 10% off, you only pay 90% of the price.
1200 x 0.90 = 1080
Therefore the price is $1080 before taxes.
The slope of the line is delta y / delta x, so the answer is: -1/3.